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Table 2 Morphometric and functional characteristics of PFO

From: Role of interatrial block in modulating cryptogenic stroke risk in patients with patent foramen ovale: a retrospective study

 

CS Group

(N = 127)

Control Group

(N = 45)

P value

RLS at rest

  

0.251

 Grade 0

44 (34.6%)

15 (33.3%)

 

 Grade 1

52 (40.9%)

23 (51.1%)

 

 Grade 2

16 (12.6%)

6 (13.3%)

 

 Grade 3

15 (11.8%)

1 (2.2%)

 

RLS after Valsalva maneuver

  

0.08

 Grade 0

0

0

 

 Grade 1

33 (26.0%)

12 (26.7%)

 

 Grade 2

33 (26.0%)

19 (42.2%)

 

 Grade 3

61 (48.0%)

14 (31.1%)

 

PFO height (mm)

2.59 ± 1.37

1.99 ± 0.85

0.001

Large-size PFO

70 (55.1%)

14 (31.1%)

0.006

Atrial septal aneurysm

19 (15.0%)

3 (6.7%)

0.152

Hypermobile septum

17 (13.4%)

3 (6.7%)

0.227

  1. CS cryptogenic stroke, PFO patent foramen ovale, RLS right-to-left shunt